bpo-28876: bool of large range raises OverflowError by 4kir4 · Pull Request #699 · python/cpython

Expand Up @@ -98,20 +98,24 @@ def test_large_operands(self): x = range(10**20+10, 10**20, 3) self.assertEqual(len(x), 0) self.assertEqual(len(list(x)), 0) self.assertFalse(x)
x = range(10**20, 10**20+10, -3) self.assertEqual(len(x), 0) self.assertEqual(len(list(x)), 0) self.assertFalse(x)
x = range(10**20+10, 10**20, -3) self.assertEqual(len(x), 4) self.assertEqual(len(list(x)), 4) self.assertTrue(x)
# Now test range() with longs self.assertEqual(list(range(-2**100)), []) self.assertEqual(list(range(0, -2**100)), []) self.assertEqual(list(range(0, 2**100, -1)), []) self.assertEqual(list(range(0, 2**100, -1)), []) for x in [range(-2**100), range(0, -2**100), range(0, 2**100, -1)]: self.assertEqual(list(x), []) self.assertFalse(x)
a = int(10 * sys.maxsize) b = int(100 * sys.maxsize) Expand Down Expand Up @@ -152,13 +156,15 @@ def _range_len(x): step = x[1] - x[0] length = 1 + ((x[-1] - x[0]) // step) return length
a = -sys.maxsize b = sys.maxsize expected_len = b - a x = range(a, b) self.assertIn(a, x) self.assertNotIn(b, x) self.assertRaises(OverflowError, len, x) self.assertTrue(x) self.assertEqual(_range_len(x), expected_len) self.assertEqual(x[0], a) idx = sys.maxsize+1 Expand All @@ -176,6 +182,7 @@ def _range_len(x): self.assertIn(a, x) self.assertNotIn(b, x) self.assertRaises(OverflowError, len, x) self.assertTrue(x) self.assertEqual(_range_len(x), expected_len) self.assertEqual(x[0], a) idx = sys.maxsize+1 Expand All @@ -194,6 +201,7 @@ def _range_len(x): self.assertIn(a, x) self.assertNotIn(b, x) self.assertRaises(OverflowError, len, x) self.assertTrue(x) self.assertEqual(_range_len(x), expected_len) self.assertEqual(x[0], a) idx = sys.maxsize+1 Expand All @@ -212,6 +220,7 @@ def _range_len(x): self.assertIn(a, x) self.assertNotIn(b, x) self.assertRaises(OverflowError, len, x) self.assertTrue(x) self.assertEqual(_range_len(x), expected_len) self.assertEqual(x[0], a) idx = sys.maxsize+1 Expand Down